Need to check the oil box's bottom which outlet whether closed or not, after closed surely then open the top of oil box and add the sealing cover for the top orifice.
检查油箱底部放油口是否已关闭，确定关闭后再打开油箱顶部加油口密封盖。
The cup includes a receptacle extending from an open top end to a closed bottom end and a stem attached to the receptacle at the bottom end thereof, for use in removal of the cup.
该杯包括从敞开的顶端延伸到闭合的底端的容器以及在该容器底端与该容器连接以供该杯移除之用的杯柄。
Release pressure pot, it is in a closed container, a new liquid containers that the liquid flux of the holes in the bottom is master of air switch in top of the containers.
释压壶，它是在密闭的容器中，通过控制容器顶部的空气开关达到控制容器底部小孔的液体流量的一种新式液体容器。
After placement of the bottom stopper, the valve on the top stopper was closed and the core was withdrawn from the surrounding sediments.
塞上底端的塞子后，关上顶端塞子上的阀门，之后将样品柱从周围沉积物中拉出。
The intake stroke starts with the pistonat the top of the cylinder (intake valve open and exhaust valve closed) and stops with the pistonat the bottom of its travel.
进气冲程在活塞位与气缸顶部（进气门开启，排气门关闭）时开始，在活塞到达其行程的底部时结束。
The intake stroke starts with the pistonat the top of the cylinder (intake valve open and exhaust valve closed) and stops with the pistonat the bottom of its travel.
进气冲程在活塞位与气缸顶部（进气门开启，排气门关闭）时开始，在活塞到达其行程的底部时结束。
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